AutoCodes – RAM – P1400 RAM

P1400 RAM Code - Aftermarket Calibration Detected

Quick Answer

Aftermarket Calibration Detected/Warranty Coverage Confirmation Required. Common causes include Powertrain Control Module (PCM) programming, Faulty Powertrain Control Module. Severity is Moderate - service should be scheduled soon. The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.

What it means: P1400 RAM indicates Aftermarket Calibration Detected.
Common causes: Common causes include Powertrain Control Module (PCM) programming, Faulty Powertrain Control Module.
Severity: Moderate - service should be scheduled soon.
Can I drive?: The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.

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Code Popularity 2,544

How popular is this code, among other codes? Low

Repair Importance Level

Moderate (Service soon) (2 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on Aug 07, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1400 RAM Description

Aftermarket Calibration Detected/Warranty Coverage Confirmation Required. The Diagnostic Trouble Code (DTC) will set if the Powertrain Control Module (PCM) software is unauthorized and does not meet factory OEM specifications or an authorized Mopar or Scat Pack Powertrain Control Module (PCM) has been installed.

OBDII Code P1400 RAM - Aftermarket Calibration Detected - AutoCodes.com — P1400 RAM Code - Aftermarket Calibration Detected

What does this mean?

What are the Possible Causes of the DTC P1400 RAM?

Powertrain Control Module (PCM) programming
Faulty Powertrain Control Module

How to Fix the DTC P1400 RAM?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1400 RAM code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

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Need Help with the Code?

Get the P1400 RAM code diagnosed by a professional: Find a repair shop in your area

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P1400 RAM Code

1. What are the common symptoms of OBDII code P1400 RAM (Aftermarket Calibration Detected)?

The common symptoms include engine performance issues, rough idling, decreased fuel efficiency, and the illumination of the Check Engine Light.

2. What causes the OBDII code P1400 RAM to trigger "Aftermarket Calibration Detected"?

This code is triggered when the Engine Control Module (ECM) detects that the vehicle's calibration has been modified or tampered with, often due to installation of aftermarket performance upgrades or tuning.

3. How can I diagnose the OBDII code P1400 RAM related to aftermarket calibration?

Diagnosing this code usually involves checking for any recent modifications or upgrades done to the vehicle's engine or ECM, and verifying if any aftermarket tuning software or devices have been used.

4. Is it safe to drive with the OBDII code P1400 RAM showing "Aftermarket Calibration Detected"?

It is generally not recommended to drive the vehicle with this code active, as it may lead to potential engine issues and could affect the overall performance and reliability of the vehicle.

5. Can I clear the OBDII code P1400 RAM related to aftermarket calibration on my own?

Clearing the code may temporarily turn off the Check Engine Light, but it is crucial to address the underlying issue causing the code to prevent further engine problems and ensure proper vehicle operation.

6. What repair options are available for fixing the OBDII code P1400 RAM due to aftermarket calibration?

Repair options may include restoring the original factory calibration, removing any aftermarket tuning devices, reprogramming the ECM to stock settings, or seeking professional assistance from a qualified mechanic or dealership.

7. How much does it cost to repair the OBDII code P1400 RAM related to aftermarket calibration?

The cost of repair can vary depending on the extent of the modifications, the need for reprogramming or recalibration, and whether any parts need to be replaced. It is advisable to obtain a diagnostic and repair quote from a reputable automotive service provider.

8. Will resetting the ECM clear the OBDII code P1400 RAM triggered by aftermarket calibration?

Resetting the ECM may temporarily clear the code, but if the aftermarket modifications are still present, the code is likely to reappear. It is essential to address the root cause of the issue to prevent further occurrences.

9. Can the OBDII code P1400 RAM related to aftermarket calibration affect my vehicle's warranty?

Modifying the vehicle's calibration with aftermarket tuning can void the manufacturer's warranty on certain components. It is important to check the warranty terms and conditions before making any modifications to the vehicle.

10. How can I prevent the OBDII code P1400 RAM from appearing due to aftermarket calibration?

To prevent this code from triggering, avoid installing unauthorized aftermarket tuning devices or modifying the vehicle's calibration without proper knowledge and understanding of the potential consequences on engine performance and emissions.